What should the temperature of the nutrient solution in my reservoir be?

Nutrient solution is best maintained between 65 and 70 degrees Farenheit for optimal conditions. Water chiller units (item#AACH) are available to maintain specific control if needed.

What does N-P-K stand for on my nutrient?

N-P-K is the abbreviated form of Nitrogen, Phosphorus and Potassium within a nutrient formula. The numbers labled on a specific formula represent the percentage of that compound. Ex. 2-6-6 is 2 percent Nitrogen and 6 percent Phosphorus and Potassium.